Let's roll up our sleeves and solve this. We have 581 and we're going to multiply it by 113, essentially adding 581 to itself 113 times.
Step 1: 0 + 581 = 581
Step 2: 581 + 581 = 1162
Step 3: 1162 + 581 = 1743
Step 4: 1743 + 581 = 2324
Step 5: 2324 + 581 = 2905
Step 6: 2905 + 581 = 3486
Step 7: 3486 + 581 = 4067
Step 8: 4067 + 581 = 4648
Step 9: 4648 + 581 = 5229
Step 10: 5229 + 581 = 5810
Step 11: 5810 + 581 = 6391
Step 12: 6391 + 581 = 6972
Step 13: 6972 + 581 = 7553
Step 14: 7553 + 581 = 8134
Step 15: 8134 + 581 = 8715
Step 16: 8715 + 581 = 9296
Step 17: 9296 + 581 = 9877
Step 18: 9877 + 581 = 10458
Step 19: 10458 + 581 = 11039
Step 20: 11039 + 581 = 11620
Step 21: 11620 + 581 = 12201
Step 22: 12201 + 581 = 12782
Step 23: 12782 + 581 = 13363
Step 24: 13363 + 581 = 13944
Step 25: 13944 + 581 = 14525
Step 26: 14525 + 581 = 15106
Step 27: 15106 + 581 = 15687
Step 28: 15687 + 581 = 16268
Step 29: 16268 + 581 = 16849
Step 30: 16849 + 581 = 17430
Step 31: 17430 + 581 = 18011
Step 32: 18011 + 581 = 18592
Step 33: 18592 + 581 = 19173
Step 34: 19173 + 581 = 19754
Step 35: 19754 + 581 = 20335
Step 36: 20335 + 581 = 20916
Step 37: 20916 + 581 = 21497
Step 38: 21497 + 581 = 22078
Step 39: 22078 + 581 = 22659
Step 40: 22659 + 581 = 23240
Step 41: 23240 + 581 = 23821
Step 42: 23821 + 581 = 24402
Step 43: 24402 + 581 = 24983
Step 44: 24983 + 581 = 25564
Step 45: 25564 + 581 = 26145
Step 46: 26145 + 581 = 26726
Step 47: 26726 + 581 = 27307
Step 48: 27307 + 581 = 27888
Step 49: 27888 + 581 = 28469
Step 50: 28469 + 581 = 29050
Step 51: 29050 + 581 = 29631
Step 52: 29631 + 581 = 30212
Step 53: 30212 + 581 = 30793
Step 54: 30793 + 581 = 31374
Step 55: 31374 + 581 = 31955
Step 56: 31955 + 581 = 32536
Step 57: 32536 + 581 = 33117
Step 58: 33117 + 581 = 33698
Step 59: 33698 + 581 = 34279
Step 60: 34279 + 581 = 34860
Step 61: 34860 + 581 = 35441
Step 62: 35441 + 581 = 36022
Step 63: 36022 + 581 = 36603
Step 64: 36603 + 581 = 37184
Step 65: 37184 + 581 = 37765
Step 66: 37765 + 581 = 38346
Step 67: 38346 + 581 = 38927
Step 68: 38927 + 581 = 39508
Step 69: 39508 + 581 = 40089
Step 70: 40089 + 581 = 40670
Step 71: 40670 + 581 = 41251
Step 72: 41251 + 581 = 41832
Step 73: 41832 + 581 = 42413
Step 74: 42413 + 581 = 42994
Step 75: 42994 + 581 = 43575
Step 76: 43575 + 581 = 44156
Step 77: 44156 + 581 = 44737
Step 78: 44737 + 581 = 45318
Step 79: 45318 + 581 = 45899
Step 80: 45899 + 581 = 46480
Step 81: 46480 + 581 = 47061
Step 82: 47061 + 581 = 47642
Step 83: 47642 + 581 = 48223
Step 84: 48223 + 581 = 48804
Step 85: 48804 + 581 = 49385
Step 86: 49385 + 581 = 49966
Step 87: 49966 + 581 = 50547
Step 88: 50547 + 581 = 51128
Step 89: 51128 + 581 = 51709
Step 90: 51709 + 581 = 52290
Step 91: 52290 + 581 = 52871
Step 92: 52871 + 581 = 53452
Step 93: 53452 + 581 = 54033
Step 94: 54033 + 581 = 54614
Step 95: 54614 + 581 = 55195
Step 96: 55195 + 581 = 55776
Step 97: 55776 + 581 = 56357
Step 98: 56357 + 581 = 56938
Step 99: 56938 + 581 = 57519
Step 100: 57519 + 581 = 58100
Step 101: 58100 + 581 = 58681
Step 102: 58681 + 581 = 59262
Step 103: 59262 + 581 = 59843
Step 104: 59843 + 581 = 60424
Step 105: 60424 + 581 = 61005
Step 106: 61005 + 581 = 61586
Step 107: 61586 + 581 = 62167
Step 108: 62167 + 581 = 62748
Step 109: 62748 + 581 = 63329
Step 110: 63329 + 581 = 63910
Step 111: 63910 + 581 = 64491
Step 112: 64491 + 581 = 65072
Step 113: 65072 + 581 = 65653

So, 581*113 = 65653